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enyata [817]
3 years ago
14

A little help would be nice here pls

Mathematics
1 answer:
MArishka [77]3 years ago
6 0

Answer:

11). 3x² -x    12). -5x + 5

Step-by-step explanation:

11). (4x² + x) - (x² + 2x)

4x² + x - x² - 2x

4x² - x² + x - 2x

3x² -x

12). (6x - 3) - (11x -8)

= 6x - 3 - 11x + 8

= 6x - 11x - 3 + 8

= -5x + 5  

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Which is correct regarding the angles of the triangle?
FrozenT [24]
One of the properties of triangle is the opposite of the largest angle is the longest leg and the smallest angle is opposite the shortest leg. 
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(2m+3) = m∠X
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As the sides correspond to its angle, therefore, the largest angle is m∠X and the smallest is m∠Y

The correct one is m∠Y < m∠Z < m∠X 



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